Multiple carrier transmission in common-wave networks
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United States of America Patent
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Sep 5, 2000
Grant Date -
N/A
app pub date -
Dec 27, 1996
filing date -
Jul 20, 1994
priority date (Note) -
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Abstract
In order to prevent wanted signal capacity from being reduced during OFDM modulation of digital coded data, control symbol protecting intervals in the frame head of each OFDM transmission frame are larger than data symbol protecting intervals in wanted data areas of each OFDM transmission frame. The length of data symbol protecting intervals is determined during demodulation and data symbol scanning times are then determined on the thus determined length of the protecting intervals.
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